Critical severity · published Feb 22, 2021
CVE-2021-26120
Smarty before 3.1.39 allows code injection via an unexpected function name after a {function name= substring
9.8
CVSS
82.3%
EPSS
No
On KEV
Description
Smarty before 3.1.39 allows code injection via an unexpected function name after a {function name= substring.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)82.3% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0; 11.0 · source: NVD
SM
Smarty · Smarty
before 3.1.39 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26120
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26120
Release Notes
https://github.com/smarty-php/smarty/blob/master/CHANGELOG.md
Mailing List
https://lists.debian.org/debian-lts-announce/2021/04/msg00004.html
Mailing List
https://lists.debian.org/debian-lts-announce/2021/04/msg00014.html
Patch
https://security.gentoo.org/glsa/202105-06
Third Party Advisory
https://www.debian.org/security/2022/dsa-5151
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